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Purpose <p>This systematic review aimed to evaluate the efficacy of photobiomodulation (PBM) for the prevention and clinical management of oral mucositis (OM) in adult cancer patients, with particular emphasis on protocol characteristics potentially associated with favorable clinical outcomes.</p> Methods <p>A systematic search of PubMed, Web of Science, and Scopus was conducted up to March 31, 2026, in accordance with PRISMA guidelines. Randomized controlled trials in adult cancer patients comparing PBM with sham interventions were included. Outcomes of interest included OM incidence, severity, pain, and related clinical outcomes. The review protocol was prospectively registered in PROSPERO.</p> Results <p>Fifteen randomized controlled trials involving 868 adult patients were included. Most studies reported favorable effects of PBM, including reductions in severe OM incidence, pain intensity, analgesic requirements, and nutritional support needs compared with controls. Preventive intraoral PBM protocols were generally associated with more favorable outcomes, although variability in treatment parameters, delivery methods, and outcome reporting limited comparability. Most included studies demonstrated acceptable methodological quality.</p> Conclusions <p>PBM appears to be a promising supportive care intervention for reducing the burden of OM in adult cancer patients, particularly in preventive settings. However, variability across protocols precludes definitive conclusions regarding optimal treatment parameters. Further high-quality randomized trials with standardized reporting are needed to refine protocol recommendations and expand evidence in therapeutic settings.</p>

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Photobiomodulation for oral mucositis in cancer care: prevention, clinical management, and evidence from randomized controlled trials

  • 期刊论文

  • 发表日期：

    2026年6月19日

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  • Susell Parra-Rojas,
  • Juliana Cassol-Spanemberg,
  • Alejandra Navarro Pérez,
  • Gabriela Leite Baggio,
  • Rocío Trinidad Velázquez-Cayón

摘要

Purpose

This systematic review aimed to evaluate the efficacy of photobiomodulation (PBM) for the prevention and clinical management of oral mucositis (OM) in adult cancer patients, with particular emphasis on protocol characteristics potentially associated with favorable clinical outcomes.

Methods

A systematic search of PubMed, Web of Science, and Scopus was conducted up to March 31, 2026, in accordance with PRISMA guidelines. Randomized controlled trials in adult cancer patients comparing PBM with sham interventions were included. Outcomes of interest included OM incidence, severity, pain, and related clinical outcomes. The review protocol was prospectively registered in PROSPERO.

Results

Fifteen randomized controlled trials involving 868 adult patients were included. Most studies reported favorable effects of PBM, including reductions in severe OM incidence, pain intensity, analgesic requirements, and nutritional support needs compared with controls. Preventive intraoral PBM protocols were generally associated with more favorable outcomes, although variability in treatment parameters, delivery methods, and outcome reporting limited comparability. Most included studies demonstrated acceptable methodological quality.

Conclusions

PBM appears to be a promising supportive care intervention for reducing the burden of OM in adult cancer patients, particularly in preventive settings. However, variability across protocols precludes definitive conclusions regarding optimal treatment parameters. Further high-quality randomized trials with standardized reporting are needed to refine protocol recommendations and expand evidence in therapeutic settings.